On board #1, I would bid 2S (michaels). But 4H was OK, too. The bad bid, imo, is 5♦. 3 small cards in ♣ was not good, and ♦K wouldn't help much. On board #2, West's hand was borderline, 1N/2D or even 4C (lack of 4th trump). 3C was certainly a bad bid. I would rebid 2C.